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381 results
Manufacture | Model/Title | Price | Arrival date

CV345

Ask 15-00822-62400-00
CV345
Manufacture:ITT
Price: JPY 9,091
Shop: Osu shop
Arrival: 2015-09-11 20:05:30

CV345

Ask 15-00822-62398-00
CV345
Manufacture:ITT
Price: JPY 9,091
Shop: Osu shop
Arrival: 2015-09-11 20:05:49
description
Pair tube (checked with a tube checker) beam quadrupole. There is a brown base and original box. ※The logo is scratched.

287A

Ask 19-23108-42828-00
287A
Manufacture:Western Electric
Price: JPY 9,091
Shop: Osu shop
Arrival: 2019-07-25 20:15:42

EL84EG

Ask 22-34777-34872-00
EL84EG
Manufacture:Ei Elite
Price: JPY 10,000(pair)
Shop: Osu shop
Arrival: 2023-10-27 19:48:28
description
Pair tube, 6BQ5 compatible ball, made in Yugoslavia, foot, measured value 70/70 (rejected value 50) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: original box

CV4004

Ask 23-38296-03833-00
CV4004
Manufacture:不明
Price: JPY 10,000
Shop: Osu shop
Arrival: 2023-07-17 19:53:28
description
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing was a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 38 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box

5691

Ask 24-42673-10190-00
5691
Manufacture:SYLVANIA
Price: JPY 10,000
Shop: Osu shop
Arrival: 2024-05-17 19:44:17
description
Sold 1 bottle, 6SL7 high-reliability tube, made in America, red brown base, black plate, measured value 58 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box

EL84

Ask 22-34777-34871-00
EL84
Manufacture:SIEMENS
Price: JPY 10,909(pair)
Shop: Osu shop
Arrival: 2023-12-03 20:09:58
description
Pair tube 6BQ5 compatible ball pentode tube measurement value 66/66 (rejection value 50) with original box SIEMENS print is printed, but it was determined from the structure and date code that it was made by Ei (made in Yugoslavia) ※The pair was determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: original box

6V6G

Ask 24-42399-08458-00
6V6G
Manufacture:MARCONI
Price: JPY 10,909(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:01:53
description
Pair tube smoke made in Canada JAN measured value 86/76 (rejected value 46) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box

412A

Ask 14-85391-34453-00
412A
Manufacture:WE
Price: JPY 10,909(only one piece)
Shop: Osu shop
Arrival: 2014-12-23 20:00:03

101F

Ask 17-11951-61928-00
101F
Manufacture:WESTERN ELECTRIC
Price: JPY 10,909
Shop: Osu shop
Arrival: 2017-08-16 19:58:07

CV4004

Ask 23-38296-03831-00
CV4004
Manufacture:不明
Price: JPY 10,909
Shop: Osu shop
Arrival: 2023-07-17 19:53:26
description
※There is a TELEFUNKEN ECC803S, but the printing was determined to be CV4004 from the structure, and the printing was determined to be a reprint. The plate is not a box type, only one side of the rib plate is caulked. Sold in 1 bottle, ECC83/M8137 equivalent tube, measured value 44 (rejected value 32) with a replacement box ※The measured value indicates the gM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: replacement box

CV4004

Ask 23-38296-03832-00
CV4004
Manufacture:不明
Price: JPY 10,909
Shop: Osu shop
Arrival: 2023-07-17 19:53:27
description
※There is a TELEFUNKEN ECC803S, but from the structure, it was determined that the printing is CV4004, the printing is a reprint. The plate is not a box type, only one side of the rib plate is rib plate sold per bottle ECC83/M8137 equivalent tube measurement value 42 (rejection value 32) with replacement box ※ The measured value represents the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box

6B4G

This item has been sold.You can't purchase now. 24-42974-12711-00
6B4G
Manufacture:RAYTHEON
Price: JPY 11,818(pair)Sold Out
Shop: Osu shop
Arrival: 2024-06-08 20:03:17
description
Pair tube direct heat triode tube American double square getter measurement value 62/56 rejection value 38) It is inexpensive because there are few getters with white boxes ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

101F

Ask 23-38861-11390-00
101F
Manufacture:Western Electric
Price: JPY 11,818
Shop: Osu shop
Arrival: 2023-08-17 19:57:51
description
Sold per bottle, general purpose amplifier tube, top mark, JAN, made in America, measured value 38 (rejected value 28), with replacement box (the lid of the box is missing) *The measured values are values measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box

WE274

Ask 23-40104-17350-00
WE274
Manufacture:曙光電子
Price: JPY 12,727
Shop: Osu shop
Arrival: 2023-08-18 20:06:24
description
One-piece rectifier tube, fishing rod type filament made in China, incorporates the structure of the original WE274 and is well-built. Measurement value 56 (rejected value 40) with replacement box ※ The measured value shows the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box

6L6WGB

Ask 24-42399-08449-00
6L6WGB
Manufacture:PHILIPS ECG
Price: JPY 12,727(pair)
Shop: Osu shop
Arrival: 2024-04-21 19:40:29
description
Pair tube, ambient heat beam tube, made in America, JAN measurement value 42/40 (rejected value 25) with white box ※Pairs are determined based on GM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: white box

6L6WGB

Ask 22-35358-38753-00
6L6WGB
Manufacture:GE
Price: JPY 13,636
Shop: Osu shop
Arrival: 2023-08-24 19:44:39
description
Set of 2 (the internal shape seems to be the same, but the manufacturer country print is different (made in Canada/USA), so they are not treated as a pair), brown base measurement value 44/42 (rejected value 25), getta burns, and decreases) *Measured values indicate GM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

272A

Ask 19-20143-01931-00
272A
Manufacture:WESTERN ELECTRIC
Price: JPY 13,636
Shop: Osu shop
Arrival: 2019-01-14 20:00:00

101F

Ask 16-08441-23284-00
101F
Manufacture:WESTERN ELECTRIC
Price: JPY 13,636
Shop: Osu shop
Arrival: 2016-12-11 20:04:48

6GA4

Ask 23-40152-18225-00
6GA4
Manufacture:TOSHIBA
Price: JPY 13,636
Shop: Osu shop
Arrival: 2023-09-17 19:30:30
description
Pair tube triode for Hi-Fi made in Japan*Pairs are determined based on EM values measured with the test machine EM-604 (Yosuke Kojima) Accessories: none

6550

Ask 24-42399-08462-00
6550
Manufacture:TUNG SOL
Price: JPY 13,636(pair)
Shop: Osu shop
Arrival: 2024-04-21 19:40:45
description
Pair tube metal brown base Russian dharma tube measured value 60/58 (rejected value 44) with white box, printing on one side often disappears ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

101F

Ask 17-11951-62259-00
101F
Manufacture:WESTERN ELECTRIC
Price: JPY 13,636
Shop: Osu shop
Arrival: 2017-08-18 19:58:41

272A

Ask 17-13501-73621-00
272A
Manufacture:WESTERN ELECTRIC
Price: JPY 13,636
Shop: Osu shop
Arrival: 2017-11-21 20:05:39

272A

Ask 18-15774-14017-00
272A
Manufacture:Western Electric
Price: JPY 13,636
Shop: Osu shop
Arrival: 2018-04-21 19:56:03

211

Ask 18-15718-18872-00
211
Manufacture:不明
Price: JPY 13,636(pair)
Shop: Osu shop
Arrival: 2018-05-21 19:24:36

6L6WGB

Ask 24-42673-09994-00
6L6WGB
Manufacture:TUNG SOL
Price: JPY 14,545(pair)
Shop: Osu shop
Arrival: 2024-05-17 19:43:46
description
Pair tube, ambient heat beam tube, 5881 equivalent tube, made in America, JAN brown base measurement value 42/42 (rejected value 25) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

EL34

Ask 24-42838-10909-00
EL34
Manufacture:Mullard
Price: JPY 14,545
Shop: Osu shop
Arrival: 2024-05-23 19:50:37
description
1 bottle sold in England Xf1 6CA7 compatible ball tea base double ring getter date code: Xf1 B1I4 measured value 46 (rejected value 30) with white box (written on the box), there is getter burn, and it has decreased slightly (Kojima Yosuke) Accessories: white box

KT88SA

Ask 24-41865-03347-00
KT88SA
Manufacture:TESLOVAK
Price: JPY 14,545(pair)
Shop: Osu shop
Arrival: 2024-02-23 20:14:59
description
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 58/58 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

6L6GC

This item has been sold.You can't purchase now. 24-42044-04096-00
6L6GC
Manufacture:TOSHIBA
Price: JPY 14,545(pair)Sold Out
Shop: Osu shop
Arrival: 2024-03-02 20:06:58
description
Pair tube ambient heat beam tube made in Japan Hi-Fi measurement value 46/44 (rejection value 25) with original box (inner box/outer box) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: original box (inner box/outer box)

KT88SA

Ask 24-41865-03346-00
KT88SA
Manufacture:TESLOVAK
Price: JPY 14,545(pair)
Shop: Osu shop
Arrival: 2024-02-23 20:15:01
description
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 62/60 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

KT88SA

Ask 24-41865-03345-00
KT88SA
Manufacture:TESLOVAK
Price: JPY 14,545(pair)
Shop: Osu shop
Arrival: 2024-02-23 20:15:02
description
Pair tube ambient heat beam tube black base lot: 9825/9825 measured value 74/72 (rejection value 44) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

211

Ask 24-42530-07890-00
211
Manufacture:PSVANE
Price: JPY 15,455(pair)
Shop: Osu shop
Arrival: 2024-04-19 19:45:17
description
Pair tube large transmission tube direct heat triode tube made in China gold base gold foot measured IP value 47mA/47ma (the best standard IP value for this amplifier is 50mA) with original box (part of the box is damaged) *Sound is checked with a test amplifier, plate current values have been measured, and it has been determined that operation is good (Kojima Yosuke) Accessories: original box

KT88

Ask 23-41267-27763-00
KT88
Manufacture:Mullard
Price: JPY 15,455(pair)
Shop: Osu shop
Arrival: 2024-01-05 20:27:08
description
Pair tube Russian reprint model lot: 1609/1610 measured value 56/54 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box

SV811-3

Ask 24-42617-09090-00
SV811-3
Manufacture:Svetlana
Price: JPY 15,455(pair)
Shop: Osu shop
Arrival: 2024-05-23 19:50:34
description
Pair tube direct heat triode tube made in Russia measured value 72/70 (rejected value 38) with original box (inner cushioning material has deteriorated) *Pairs are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box

6L6Y

Ask 24-42399-08452-00
6L6Y
Manufacture:RCA
Price: JPY 16,364(pair)
Shop: Osu shop
Arrival: 2024-04-21 19:39:53
description
Pair tube VT-115 equivalent tube, high durability tube, metal tube, tea base, measured value 46/44 (rejected value 25) with white box ※Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: white box

6L6Y

Ask 24-42399-08451-00
6L6Y
Manufacture:RCA
Price: JPY 16,364(pair)
Shop: Osu shop
Arrival: 2024-04-21 19:39:36
description
Pair tube VT-115 equivalent tube, high durability tube, metal tube, tea base, measured value 48/46 (rejected value 25) with white box ※Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: white box

6B4G

Ask 24-42838-10913-00
6B4G
Manufacture:RAYTHEON
Price: JPY 16,364(pair)
Shop: Osu shop
Arrival: 2024-05-23 19:51:30
description
Pair tube direct heat triode tube American-made smoke measurement value 68/68 (rejection value 38) with white box (lid claws are missing) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: white box

6B4G

Ask 24-42838-10912-00
6B4G
Manufacture:RAYTHEON
Price: JPY 16,364(pair)
Shop: Osu shop
Arrival: 2024-05-23 19:51:28
description
Pair tube direct heat triode tube American-made smoke measurement value 72/70 (rejection value 38) with white box (lid claws are missing) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: white box

CK6336A

Ask 22-36248-44640-00
CK6336A
Manufacture:RAYTHEON
Price: JPY 18,182(pair)
Shop: Osu shop
Arrival: 2023-12-03 20:09:04
description
Pair tube, triode, metal base, made in America, comes with a box, is inexpensive because there are fewer gutters and there are burns ※Pairs are determined based on EM values measured with the SENCORE TC-162 test machine (Kojima Yosuke) Accessories: white box

7581A

Ask 22-37213-52410-00
7581A
Manufacture:PHILIPS ECG
Price: JPY 18,182(pair)
Shop: Osu shop
Arrival: 2023-12-07 20:18:09
description
Pair tube 6L6GC compatible ball high reliability tube made in America lot: 8526/8526 measured value 44/42 (rejected value 25) with replacement box*Pairs are determined based on GM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: replacement box

6550

Ask 23-40152-17328-00
6550
Manufacture:SYLVANIA
Price: JPY 18,182(pair)
Shop: Osu shop
Arrival: 2023-09-02 20:12:57
description
Pair tube, metal, brown base, made in America, measured value 66/64 (rejected value 44) with original box (some written), sticker is attached to the base part, and there is a getter burn ※ The pair was determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

300BEH

Ask 24-42935-11215-00
300BEH
Manufacture:ELECTRO HARMONIX
Price: JPY 19,091(pair)
Shop: Osu shop
Arrival: 2024-05-31 19:58:50
description
Pair tube direct heat triode tube, white base, made in Russia, measured value 84/76, rejected value 58) with replacement box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: replacement box

EL35

Ask 24-42457-11438-00
EL35
Manufacture:Zaerix
Price: JPY 20,000(pair)
Shop: Osu shop
Arrival: 2024-06-02 20:09:58
description
Pair tube, 5 pole tube, smoke mesh plate, made in England, measured value 36/36 (rejected value 25) with white box, so it's inexpensive because it makes a rattling noise in 1 tube ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

EL35

Ask 24-42457-11439-00
EL35
Manufacture:Zaerix
Price: JPY 20,909(pair)
Shop: Osu shop
Arrival: 2024-06-02 20:09:58
description
Pair tube, 5 pole tube, smoke mesh plate, made in England, measured value 34/34 (rejected value 25) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

300BEH

Ask 24-41310-00332-00
300BEH
Manufacture:ELECTRO HARMONIX
Price: JPY 20,909(pair)
Shop: Osu shop
Arrival: 2024-02-23 20:15:20
description
Pair tube direct heat triode tube, white base, made in Russia, measured value 80/80 (rejected value 58) with original box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box

CK6336A

Ask 22-36248-44639-00
CK6336A
Manufacture:RAYTHEON
Price: JPY 21,818(pair)
Shop: Osu shop
Arrival: 2023-12-03 20:09:05
description
Pair tube, triode, metal base, made in America, with original box, the size of the glass tube is different on the left and right, but the internal structure is the same ※The pair is determined based on EM values measured with the SENCORE TC-162 test machine (Kojima Yosuke) Accessories: white box

211

Ask 22-34955-33526-00
211
Manufacture:Haltron
Price: JPY 21,818
Shop: Osu shop
Arrival: 2022-10-08 20:05:19
description
Large triode sold per unit measured IP value: 50 mA (the best standard IP value for this amplifier is 50 mA) There is a getter burn with the original box ※ I checked the sound output and measured the plate current value with the test amplifier, and it was determined that the operation was good (Kojima Yosuke) Accessories: original box

6550A

Ask 24-42434-07338-00
6550A
Manufacture:GE
Price: JPY 22,727(pair)
Shop: Osu shop
Arrival: 2024-04-09 19:33:08
description
Pair tube KT88 compatible ball American metal base measurement value 58/52 (rejection value 44) There is getter burn and loss on one side, and there is dullness on the base on the other side ※The pair is judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none

EL35

Ask 24-42457-11437-00
EL35
Manufacture:Zaerix
Price: JPY 22,727(pair)
Shop: Osu shop
Arrival: 2024-06-02 20:09:57
description
Pair tube, 5 pole tube, smoke mesh plate, made in England, measured value 40/40 (rejected value 25) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

50

Ask 17-12438-64859-00
50
Manufacture:RCA
Price: JPY 27,273
Shop: Osu shop
Arrival: 2017-09-08 19:57:55
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